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uk.sci.weather (UK Weather) (uk.sci.weather) For the discussion of daily weather events, chiefly affecting the UK and adjacent parts of Europe, both past and predicted. The discussion is open to all, but contributions on a practical scientific level are encouraged. |
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#1
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Hi,
I thought I'd ask the experts - Ex TS harvey now headed noth east across the atlantic, will it hit us, or will it go away and bother Iceland? Regards, Keith |
#2
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I was glancing at the last advisory issued for Harvey. Here is what it
says: Short version, it's generally expected to slow down in mid-atlantic, and steering current to become weak Some differences in model outputs. Who knows? I think it's too early to tell right now, where the remnants of Harvey are going, beyond the Azores -- HARVEY IS MOVING OVER SEA SURFACE TEMPERATURES OF 24 CELSIUS OR LESS AND LACKS CONVECTION NEAR THE EXPOSED LOW LEVEL CENTER. THE CLOUD PATTERN IS ASYMMETRIC AND IS GRADUALLY MERGING WITH A MIDLATITUDE CLOUD BAND. EVEN THOUGH IT IS BECOMING EXTRATROPICAL... EX-HARVEY IS EXPECTED TO MAINTAIN GALE FORCE WINDS DURING THE NEXT FIVE DAYS. HARVEY HAS BEGUN TO SLOW DOWN AGAIN AS EXPECTED... AND THE INITIAL MOTION ESTIMATE IS 055/17. WHILE THE STORM IS WELL-EMBEDDED IN THE MIDLATITUDE WESTERLIES... MOST OF THE DYNAMICAL MODELS INDICATE THAT HARVEY WILL CONTINUE TO SLOW DOWN AND PERHAPS MEANDER JUST NORTHWEST OF THE AZORES LATE IN THE FORECAST PERIOD. WHILE THE UKMET IS THE OUTLIER TAKING HARVEY QUICKLY TO THE EAST-NORTHEAST... THE GFS... NOGAPS... AND GFDL SHOW A GRADUAL TURN TO THE SOUTHEAST BEYOND DAY 3... AS DOES THE OFFICIAL FORECAST. FORECAST POSITIONS AND MAX WINDS INITIAL 08/2100Z 40.8N 46.1W 45 KT...BECOMING EXTRATROPICAL 12HR VT 09/0600Z 41.9N 44.0W 45 KT...EXTRATROPICAL 24HR VT 09/1800Z 43.3N 41.0W 45 KT...EXTRATROPICAL 36HR VT 10/0600Z 44.0N 38.3W 40 KT...EXTRATROPICAL 48HR VT 10/1800Z 44.6N 36.0W 40 KT...EXTRATROPICAL 72HR VT 11/1800Z 44.5N 32.5W 40 KT...EXTRATROPICAL 96HR VT 12/1800Z 44.0N 31.0W 35 KT...EXTRATROPICAL 120HR VT 13/1800Z 43.5N 30.0W 35 KT...EXTRATROPICAL --- |
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